The Mole and Stoichemetry

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hasejour96
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The Mole and Stoichemetry

Post by hasejour96 »

What is the mass of the following
Mg(OH)2 in 0.055 moles of compound?
NO2 in 45.5dm3 of the gas at STP
KCL in 350 cm3 of 3.5M KCl
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peter
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Re: The Mole and Stoichemetry

Post by peter »

hasejour96 wrote:What is the mass of the following
Mg(OH)2 in 0.055 moles of compound?
0.055 * molar mass of Mg(OH)2

NO2 in 45.5dm3 of the gas at STP
45.5/22.4 * molar mass of NO2

KCl in 350 cm3 of 3.5M KCl
0.35 * 3.5 * molar mass of KCl
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